Kung Foo is Perfect World Entertainment's cure for the serious MMO, mixing raw hilarity, pop culture references, and pure geekitude with a complete MMO experience. From the article:

"We're targeting adults, especially the anime crowd. We'll throw out references that kids can get, but adults can view in a slightly different way. " Craig noted. "I'm not very ESRB friendly, " Devin joked, "but I can be when asked to be, so we're doing the flyover jokes that hopefully the kids won't notice and the grownups will go, 'Wait...'"